and president obama has been very clear about that. we laid down the red line on chemical weapons, because that could have far-reaching effects beyond even the street-to-street fighting that is so terrible to watch. and it could also affect other countries. >> the administration has been criticized by some for having what has been referred to as an ad hoc foreign policy, a sort of whack-a-mole. what is the obama doctrine as you understand it? >> reassert american leadership. politically and economically in the face of a very severe crisis that we inherited, which called into question american leadership. look for every way you can to bring together coalitions so that yes, america will and must lead. it is the indispensable nation. but other countries have to step up and start taking responsibility and they are beginning to do that. >> so there's no daylight between the obama doctrine and the hillary clinton doctrine. >> well, i've been a major part of helping to shape it and to implement it. and i think it will stand the test of time.